*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--font: "Inter", system-ui, sans-serif;--font-tight: "Inter Tight", "Inter", system-ui, sans-serif;--bg-base: #09090B;--bg-surface: #111113;--bg-elevated: #18181B;--bg-overlay: #1E1E21;--bg-hover: #27272A;--bg-active: #2D2D30;--border: rgba(255,255,255,.07);--border-strong: rgba(255,255,255,.12);--text-primary: #FAFAFA;--text-secondary: #A1A1AA;--text-tertiary: #71717A;--text-muted: #52525B;--accent: #6366F1;--accent-hover: #5558E8;--accent-muted: rgba(99,102,241,.12);--accent-glow: rgba(99,102,241,.25);--green: #22C55E;--green-bg: rgba(34,197,94,.1);--green-muted: rgba(34,197,94,.15);--red: #EF4444;--red-bg: rgba(239,68,68,.1);--red-muted: rgba(239,68,68,.15);--yellow: #EAB308;--yellow-bg: rgba(234,179,8,.1);--orange: #F97316;--orange-bg: rgba(249,115,22,.1);--blue: #3B82F6;--blue-bg: rgba(59,130,246,.1);--purple: #A855F7;--purple-bg: rgba(168,85,247,.1);--amz: #FF9900;--amz-bg: rgba(255,153,0,.12);--amz-text: #FFB83F;--ebay: #3665F3;--ebay-bg: rgba(54,101,243,.12);--ebay-text: #6B8EF8;--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0,0,0,.4);--shadow: 0 4px 12px rgba(0,0,0,.5);--shadow-lg: 0 8px 32px rgba(0,0,0,.6);--sidebar-w: 220px;--topbar-h: 56px}[data-theme=light]{--bg-base: #F8F8FA;--bg-surface: #FFFFFF;--bg-elevated: #FFFFFF;--bg-overlay: #F4F4F6;--bg-hover: #F0F0F2;--bg-active: #E8E8EC;--border: rgba(0,0,0,.07);--border-strong: rgba(0,0,0,.12);--text-primary: #0A0A0B;--text-secondary: #52525B;--text-tertiary: #71717A;--text-muted: #A1A1AA;--accent-muted: rgba(99,102,241,.08);--green-bg: rgba(34,197,94,.08);--red-bg: rgba(239,68,68,.08);--shadow-sm: 0 1px 2px rgba(0,0,0,.06);--shadow: 0 4px 12px rgba(0,0,0,.08);--shadow-lg: 0 8px 32px rgba(0,0,0,.12)}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg-base);color:var(--text-primary);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-active);border-radius:99px}button,input,select,textarea{font-family:var(--font)}button{cursor:pointer;border:none;background:none}a{text-decoration:none;color:inherit}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto;transition:width .2s}.topbar{height:var(--topbar-h);background:var(--bg-surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:12px;flex-shrink:0}.page-content{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:20px}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.sb-logo{padding:16px 16px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.sb-logo-icon{width:30px;height:30px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sb-logo-text{font-family:var(--font-tight);font-size:15px;font-weight:700;color:var(--text-primary)}.sb-logo-badge{font-size:9px;font-weight:700;background:var(--accent-muted);color:var(--accent);padding:1px 5px;border-radius:4px;letter-spacing:.04em}.sb-section{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:16px 16px 4px}.sb-nav-item{display:flex;align-items:center;gap:9px;padding:8px 14px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all .12s;border-radius:8px;margin:1px 6px;position:relative}.sb-nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sb-nav-item.active{background:var(--accent-muted);color:var(--accent);font-weight:500}.sb-nav-item .nav-icon{font-size:16px;flex-shrink:0}.sb-nav-item .nav-badge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:99px;min-width:18px;text-align:center}.sb-footer{margin-top:auto;padding:8px;border-top:1px solid var(--border)}.mkt-toggle{margin:8px 8px 4px;display:flex;background:var(--bg-overlay);border-radius:10px;padding:3px;gap:2px}.mkt-toggle-btn{flex:1;padding:6px 4px;border-radius:8px;font-size:11.5px;font-weight:600;cursor:pointer;border:none;transition:all .15s;color:var(--text-tertiary);background:transparent;display:flex;align-items:center;justify-content:center;gap:5px}.mkt-toggle-btn.active.amz{background:var(--amz-bg);color:var(--amz-text)}.mkt-toggle-btn.active.ebay{background:var(--ebay-bg);color:var(--ebay-text)}.mkt-status-dot{width:6px;height:6px;border-radius:50%;background:var(--text-muted);flex-shrink:0}.mkt-status-dot.connected{background:var(--green);box-shadow:0 0 0 2px var(--green-bg)}.topbar-title{font-size:15px;font-weight:600;color:var(--text-primary)}.topbar-mkt-badge{font-size:10.5px;font-weight:700;padding:3px 10px;border-radius:99px;letter-spacing:.02em}.topbar-mkt-badge.amz{background:var(--amz-bg);color:var(--amz-text)}.topbar-mkt-badge.ebay{background:var(--ebay-bg);color:var(--ebay-text)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:8px}.period-select{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);font-size:12px;padding:6px 10px;border-radius:8px;outline:none;cursor:pointer}.user-pill{display:flex;align-items:center;gap:7px;padding:5px 10px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:99px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:background .12s}.user-pill:hover{background:var(--bg-hover)}.user-avatar{width:22px;height:22px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff}.theme-toggle{width:32px;height:32px;border-radius:8px;background:var(--bg-elevated);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .12s;color:var(--text-secondary);font-size:16px}.theme-toggle:hover{background:var(--bg-hover);color:var(--text-primary)}.notif-btn{position:relative;width:32px;height:32px;border-radius:8px;background:var(--bg-elevated);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;color:var(--text-secondary)}.notif-dot{position:absolute;top:4px;right:4px;width:8px;height:8px;background:var(--red);border-radius:50%;border:2px solid var(--bg-surface)}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.card-sm{padding:14px}.card-title{font-size:13px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-subtitle{font-size:11px;color:var(--text-tertiary);margin-top:2px}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.kpi-grid-3{grid-template-columns:repeat(3,1fr)}.kpi-grid-5{grid-template-columns:repeat(5,1fr)}.kpi-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;transition:border-color .2s;position:relative;overflow:hidden}.kpi-card:hover{border-color:var(--border-strong)}.kpi-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity .2s}.kpi-card.trend-up:before{background:radial-gradient(ellipse at 100% 0%,var(--green-muted) 0%,transparent 60%);opacity:1}.kpi-card.trend-down:before{background:radial-gradient(ellipse at 100% 0%,var(--red-muted) 0%,transparent 60%);opacity:1}.kpi-label{font-size:11px;font-weight:500;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;display:flex;align-items:center;gap:5px}.kpi-value{font-family:var(--font-tight);font-size:26px;font-weight:700;color:var(--text-primary);line-height:1}.kpi-value.sm{font-size:20px}.kpi-delta{display:inline-flex;align-items:center;gap:3px;font-size:11.5px;font-weight:600;margin-top:8px;padding:3px 8px;border-radius:99px}.kpi-delta.up{background:var(--green-bg);color:var(--green)}.kpi-delta.down{background:var(--red-bg);color:var(--red)}.kpi-delta.neutral{background:var(--bg-overlay);color:var(--text-tertiary)}.kpi-footer{font-size:11px;color:var(--text-muted);margin-top:6px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.grid-2-1{display:grid;grid-template-columns:2fr 1fr;gap:16px}.grid-1-2{display:grid;grid-template-columns:1fr 2fr;gap:16px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}thead th{text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;padding:8px 12px;border-bottom:1px solid var(--border);white-space:nowrap}tbody td{padding:10px 12px;border-bottom:1px solid var(--border);color:var(--text-primary);vertical-align:middle}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:var(--bg-hover)}.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:3px 9px;border-radius:99px;white-space:nowrap}.badge-green{background:var(--green-bg);color:var(--green)}.badge-red{background:var(--red-bg);color:var(--red)}.badge-yellow{background:var(--yellow-bg);color:var(--yellow)}.badge-blue{background:var(--blue-bg);color:var(--blue)}.badge-purple{background:var(--purple-bg);color:var(--purple)}.badge-orange{background:var(--orange-bg);color:var(--orange)}.badge-neutral{background:var(--bg-overlay);color:var(--text-secondary)}.badge-amz{background:var(--amz-bg);color:var(--amz-text)}.badge-ebay{background:var(--ebay-bg);color:var(--ebay-text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s;border:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background:var(--red-muted)}.btn-amz{background:var(--amz);color:#000;font-weight:600}.btn-amz:hover{background:#ffb020}.btn-ebay{background:var(--ebay);color:#fff}.btn-ebay:hover{background:#2855e0}.btn-sm{padding:5px 12px;font-size:12px;border-radius:7px}.btn-lg{padding:12px 24px;font-size:15px;font-weight:600;border-radius:var(--radius-lg)}.btn-icon{padding:7px;border-radius:var(--radius)}.btn-icon-sm{padding:5px;border-radius:6px}.form-group{display:flex;flex-direction:column;gap:5px}.form-label{font-size:11.5px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.form-input{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);font-size:13px;padding:9px 12px;border-radius:var(--radius);outline:none;transition:border-color .15s;width:100%}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text-muted)}.form-select{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);font-size:13px;padding:9px 12px;border-radius:var(--radius);outline:none;cursor:pointer;width:100%}.form-select:focus{border-color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.modal{background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-xl);padding:24px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-title{font-size:16px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}.modal-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.loading-state{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted);flex-direction:column;gap:12px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state svg{margin-bottom:12px;opacity:.4}.empty-state h3{font-size:15px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.section-header{display:flex;align-items:center;justify-content:space-between}.divider{height:1px;background:var(--border)}.profit{color:var(--green)}.loss{color:var(--red)}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.mono{font-family:SF Mono,Fira Code,monospace;font-size:12px}.tag{display:inline-flex;align-items:center;font-size:10px;font-weight:600;padding:2px 7px;border-radius:4px;text-transform:uppercase;letter-spacing:.05em;background:var(--bg-overlay);color:var(--text-muted)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-base);padding:20px}.auth-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.auth-logo{text-align:center;margin-bottom:32px}.auth-tabs{display:flex;background:var(--bg-overlay);border-radius:var(--radius);padding:3px;margin-bottom:24px}.auth-tab{flex:1;padding:8px;text-align:center;font-size:13px;font-weight:500;cursor:pointer;color:var(--text-secondary);border-radius:8px;transition:all .15s}.auth-tab.active{background:var(--bg-surface);color:var(--text-primary);box-shadow:var(--shadow-sm)}.error-msg{background:var(--red-bg);border:1px solid rgba(239,68,68,.2);color:var(--red);padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.ai-insight-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;display:flex;gap:12px;align-items:flex-start}.ai-insight-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.ai-insight-icon.success{background:var(--green-bg);color:var(--green)}.ai-insight-icon.warning{background:var(--yellow-bg);color:var(--yellow)}.ai-insight-icon.critical{background:var(--red-bg);color:var(--red)}.ai-insight-icon.info{background:var(--blue-bg);color:var(--blue)}.ai-insight-title{font-size:12.5px;font-weight:600;color:var(--text-primary)}.ai-insight-text{font-size:12px;color:var(--text-secondary);line-height:1.55;margin-top:2px}.ai-insight-metric{font-size:11px;font-weight:600;color:var(--accent);margin-top:4px}.connect-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden}.connect-header{padding:24px;display:flex;align-items:center;justify-content:space-between}.connect-mkt-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}.connect-status-badge{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600}.status-pulse{width:8px;height:8px;border-radius:50%}.status-pulse.connected{background:var(--green);box-shadow:0 0 0 3px var(--green-bg);animation:pulse 2s ease-in-out infinite}.status-pulse.disconnected{background:var(--text-muted)}@keyframes pulse{0%,to{box-shadow:0 0 0 3px var(--green-bg)}50%{box-shadow:0 0 0 6px transparent}}.connect-body{padding:0 24px 24px;border-top:1px solid var(--border)}.connect-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:16px 0}.connect-stat-val{font-size:20px;font-weight:700;color:var(--text-primary)}.connect-stat-label{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:500;margin-top:2px}.setup-step{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}.step-num{width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.step-text{font-size:13px;color:var(--text-secondary);line-height:1.6}.step-text strong{color:var(--text-primary)}.step-text a{color:var(--accent);text-decoration:underline}.step-text code{font-family:monospace;font-size:12px;background:var(--bg-overlay);padding:1px 5px;border-radius:4px;color:var(--accent)}